Embedded System Definition (1 mark)
Define an embedded system.
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1 Hardware
Characteristics of Embedded Systems (2 marks)
Explain two characteristics that differentiate embedded systems from general-purpose computers.
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Purpose of Embedded Systems (2 marks)
Discuss why embedded systems are used instead of general-purpose computers in many modern devices.
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Embedded Systems – Example Uses (4 marks)
Provide two examples of embedded systems, and for each example, describe one task that the system performs.
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Comparing Embedded Systems (6 marks)
Compare and contrast the embedded systems used in a digital watch and a home security system. In your answer, consider their complexity, input and output devices, and the types of processing they perform.
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Optical Storage Media (2 marks)
Identify and explain one advantage and one disadvantage of using optical storage media.
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Factors When Choosing Secondary Storage (6 marks)
What factors should be considered when choosing secondary storage for a portable device? Discuss the suitability of Solid-state drives (SSDs). Justify your answer.
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What is Secondary Storage (2 marks)
Explain the term ‘secondary storage’.
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Characteristics of Solid-State Drives (2 marks)
Describe two functional characteristics of solid-state drives (SSDs) as a contemporary secondary storage technology.
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Cloud vs Local (4 marks)
Compare the suitability of cloud storage with traditional magnetic hard drives in terms of cost and capacity.
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